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104 results on '"Greve, Fabíola"'

2. Efficient and Modular Consensus-Free Reconfiguration for Fault-Tolerant Storage

Author

Alchieri, Eduardo, Bessani, Alysson, Greve, Fabiola, and Fraga, Joni

Subjects
Computer Science - Distributed, Parallel, and Cluster Computing
Abstract

Quorum systems are useful tools for implementing consistent and available storage in the presence of failures. These systems usually comprise a static set of servers that provide a fault-tolerant read/write register accessed by a set of clients. We consider a dynamic variant of these systems and propose FreeStore, a set of fault-tolerant protocols that emulates a register in dynamic asynchronous systems in which processes are able to join/leave the servers set during the execution. These protocols use a new abstraction called view generators, that captures the agreement requirements of reconfiguration and can be implemented in different system models with different properties. Particularly interesting, we present a reconfiguration protocol that is modular, efficient, consensus-free and loosely coupled with read/write protocols, improving the overall system performance.

Published
2016

6. Asynchronous Implementation of Failure Detectors with partial connectivity and unknown participants

Author

Sens, Pierre, Arantes, Luciana, Bouillaguet, Mathieu, Martin, Véronique, and Greve, Fabiola

Subjects
Computer Science - Distributed, Parallel, and Cluster Computing
Abstract

We consider the problem of failure detection in dynamic networks such as MANETs. Unreliable failure detectors are classical mechanisms which provide information about process failures. However, most of current implementations consider that the network is fully connected and that the initial number of nodes of the system is known. This assumption is not applicable to dynamic environments. Furthermore, such implementations are usually timer-based while in dynamic networks there is no upper bound for communication delays since nodes can move. This paper presents an asynchronous implementation of a failure detector for unknown and mobile networks. Our approach does not rely on timers and neither the composition nor the number of nodes in the system are known. We prove that our algorithm can implement failure detectors of class <>S when behavioral properties and connectivity conditions are satisfied by the underlying system.

Published
2007

7. PrescStream: A Framework for Streaming Soft Real-Time Predictive and Prescriptive Analytics

Author

de Aguiar, Marcos, Greve, Fabíola, Costa, Genaro, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Gervasi, Osvaldo, editor, Murgante, Beniamino, editor, Misra, Sanjay, editor, Borruso, Giuseppe, editor, Torre, Carmelo M., editor, Rocha, Ana Maria A.C., editor, Taniar, David, editor, Apduhan, Bernady O., editor, Stankova, Elena, editor, and Cuzzocrea, Alfredo, editor

Published
2017
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11. Eventual Leader Election in Evolving Mobile Networks

Author

Arantes, Luciana, Greve, Fabíola, Sens, Pierre, Simon, Véronique, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Baldoni, Roberto, editor, Nisse, Nicolas, editor, and van Steen, Maarten, editor

Published
2013
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12. A Failure Detector for Wireless Networks with Unknown Membership

Author

Greve, Fabíola, Sens, Pierre, Arantes, Luciana, Simon, Véronique, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Jeannot, Emmanuel, editor, Namyst, Raymond, editor, and Roman, Jean, editor

Published
2011
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13. Byzantine Consensus with Unknown Participants

Author

Alchieri, Eduardo A. P., Bessani, Alysson Neves, da Silva Fraga, Joni, Greve, Fabíola, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Baker, Theodore P., editor, Bui, Alain, editor, and Tixeuil, Sébastien, editor

Published
2008
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14. An Unreliable Failure Detector for Unknown and Mobile Networks

Author

Sens, Pierre, Arantes, Luciana, Bouillaguet, Mathieu, Simon, Véronique, Greve, Fabíola, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Baker, Theodore P., editor, Bui, Alain, editor, and Tixeuil, Sébastien, editor

Published
2008
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16. On the Behavior of Broadcasting Protocols for MANETs Under Omission Faults Scenarios

Author

de Oliveira, Talmai Brandão, Costa, Victor Franco, Greve, Fabíola, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Bondavalli, Andrea, editor, Brasileiro, Francisco, editor, and Rajsbaum, Sergio, editor

Published
2007
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17. Generating Fast Atomic Commit from Hyperfast Consensus

Author

Greve, Fabíola Gonçalves Pereira, Le Narzul, Jean-Pierre, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Maziero, Carlos Alberto, editor, Gabriel Silva, João, editor, Andrade, Aline Maria Santos, editor, and de Assis Silva, Flávio Morais, editor

Published
2005
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18. Consensus in One Communication Step

Author

Brasileiro, Francisco, Greve, Fabíola, Mostefaoui, Achour, Raynal, Michel, Goos, Gerhard, editor, Hartmanis, Juris, editor, van Leeuwen, Jan, editor, and Malyshkin, Victor, editor

Published
2001
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23. Brief Announcement: Decoupled and Consensus-Free Reconfiguration for Fault-Tolerant Storage

Author

Alchieri, Eduardo, Bessani, Alysson, Greve, Fabíola, Fraga, Joni, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, and Aguilera, Marcos K., editor

Published
2012
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24. Distributed Applications and Interoperable Systems: 21st IFIP WG 6.1 International Conference, DAIS 2021, Held as Part of the 16th International Federated Conference on Distributed Computing Techniques, DisCoTec 2021, Valletta, Malta, June 14–18, 2021, Proceedings

Author

Matos, Miguel, Greve, Fabíola, Universidade de Lisboa (ULISBOA), Universidade Federal da Bahia (UFBA), TC 6, and WG 6.1

Subjects
[INFO]Computer Science [cs]
Abstract

International audience; Book Front Matter of LNCS 12718

Published
2021

29. Efficient and Modular Consensus-Free Reconfiguration for Fault-Tolerant Storage

Author

Eduardo Alchieri and Alysson Bessani and Fabíola Greve and Joni da Silva Fraga, Alchieri, Eduardo, Bessani, Alysson, Greve, Fabíola, Fraga, Joni da Silva, Eduardo Alchieri and Alysson Bessani and Fabíola Greve and Joni da Silva Fraga, Alchieri, Eduardo, Bessani, Alysson, Greve, Fabíola, and Fraga, Joni da Silva

Abstract

Quorum systems are useful tools for implementing consistent and available storage in the presence of failures. These systems usually comprise of a static set of servers that provide a fault-tolerant read/write register accessed by a set of clients. We consider a dynamic variant of these systems and propose FreeStore, a set of fault-tolerant protocols that emulates a register in dynamic asynchronous systems in which processes are able to join/leave the set of servers during the execution. These protocols use a new abstraction called view generators, that captures the agreement requirements of reconfiguration and can be implemented in different system models with different properties. Particularly interesting, we present a reconfiguration protocol that is modular, efficient, consensus-free and loosely coupled with read/write protocols. An analysis and an experimental evaluation show that the proposed protocols improve the overall system performance when compared with previous solutions.

Published
2018
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30. IoTAgua

Author

Abijaude, Jauberth, primary, Carvalho, Jânio, additional, Sobreira, Péricles, additional, and Greve, Fabíola, additional

Published
2018
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33. Consenso com Participantes Desconhecidos em Memória Compartilhada

Author

Khouri, Cátia, Greve, Fabíola, Tixeuil, Sébastien, Publications, Lip6, Networks and Performance Analysis (NPA), Laboratoire d'Informatique de Paris 6 (LIP6), and Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Computer Science::Networking and Internet Architecture, [INFO]Computer Science [cs], [INFO] Computer Science [cs]
Abstract

National audience; Consensus is a fundamental problem for the development of reliable distributed systems deployed over dynamic networks, such as P2P, desktop grids, mobile ad-hoc networks, etc. Unlike classical networks, where the set of participants and their identities are known, in dynamic networks, the membership of the system and its cardinality are not known a priori. Recently, necessary and sufficient conditions have been identified to solve consensus in these environments, but for the message passing communication model. In this paper, we extend these recent results and present protocols able to solve consensus with unknown participants in the shared memory model.

Published
2012

34. The Computer Journal

Author

Greve, Fabíola, Sens, Pierre, Arantes, Luciana, and Simon, Véronique

Subjects
Unreliable failure detector, Asynchronous systems, Dynamic distributed systems, Wireless mobile networks
Abstract

Texto completo: acesso restrito. p. 1507-1524 Submitted by Edileide Reis (leyde-landy@hotmail.com) on 2014-04-22T11:13:44Z No. of bitstreams: 1 Fabíola Greve.pdf: 693008 bytes, checksum: 04127a53527d6a85fc66980eb994a215 (MD5) Made available in DSpace on 2014-04-22T11:13:44Z (GMT). No. of bitstreams: 1 Fabíola Greve.pdf: 693008 bytes, checksum: 04127a53527d6a85fc66980eb994a215 (MD5) Previous issue date: 2012 The distributed computing scenario is rapidly evolving for integrating self-organizing and dynamic wireless networks. Unreliable failure detectors (FDs) are classical mechanisms that provide information about process failures and can help systems to cope with the high dynamics of these networks. A number of failure detection algorithms have been proposed so far. Nonetheless, most of them assume a global knowledge about the membership as well as a fully communication connectivity; additionally, they are time-based, requiring that eventually some bound on the message transmission will permanently hold. These assumptions are no longer appropriate to the new scenario. This paper presents a new FD protocol that implements a new class of detectors, namely ⋄ Sℳ, which adapts the properties of the ⋄ S class to a dynamic network with an unknown membership. It has the interesting feature of being time-free, so that it does not rely on timers to detect failures; moreover, it tolerates the mobility of nodes and message losses.

Published
2012
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37. Um Detector de Falhas Assíncrono para Redes Móveis e Auto-Organizáveis

Author

Sens, Pierre, Gonçalves Pereira Greve, Fabíola, Arantes, Luciana, Bouillaguet, Mathieu, Simon, Véronique, Large-Scale Distributed Systems and Applications (Regal), Laboratoire d'Informatique de Paris 6 (LIP6), Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Inria Paris-Rocquencourt, Institut National de Recherche en Informatique et en Automatique (Inria)-Institut National de Recherche en Informatique et en Automatique (Inria), and Publications, Lip6

Subjects
[INFO]Computer Science [cs], [INFO] Computer Science [cs], ComputingMilieux_MISCELLANEOUS
Abstract

National audience

Published
2008

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